20266246

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:277

約数の個数: 64

約数和(自身を含む): 41803776

約数和(自身を除く): 21537530

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 53, 77, 91, 106, 143, 154, 182, 191, 286, 371, 382, 583, 689, 742, 1001, 1166, 1337, 1378, 2002, 2101, 2483, 2674, 4081, 4202, 4823, 4966, 7579, 8162, 9646, 10123, 14707, 15158, 17381, 20246, 27313, 29414, 34762, 53053, 54626, 70861, 106106, 111353, 131599, 141722, 191191, 222706, 263198, 382382, 779471, 921193, 1447589, 1558942, 1842386, 2895178, 10133123, 20266246]

約数ペア:

[(1, 20266246), (2, 10133123), (7, 2895178), (11, 1842386), (13, 1558942), (14, 1447589), (22, 921193), (26, 779471), (53, 382382), (77, 263198), (91, 222706), (106, 191191), (143, 141722), (154, 131599), (182, 111353), (191, 106106), (286, 70861), (371, 54626), (382, 53053), (583, 34762), (689, 29414), (742, 27313), (1001, 20246), (1166, 17381), (1337, 15158), (1378, 14707), (2002, 10123), (2101, 9646), (2483, 8162), (2674, 7579), (4081, 4966), (4202, 4823)]